Home / 9,077.92-13,621.44-4,147.12

Finding the Fourth Proportional to 9,077.92, 13,621.44 and 4,147.12

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Solution

The fourth proportional to 9,077.92, 13,621.44 and 4,147.12 is: 6,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.92 : 13,621.44 = 4,147.12 : x
  2. Step 2: Convert to fraction form
    9,077.92/13,621.44 = 4,147.12/x
  3. Step 3: Cross multiply
    9,077.92x = 13,621.44 × 4,147.12
  4. Step 4: Simplify right side
    9,077.92x = 56,489,746.25
  5. Step 5: Solve for x
    x = 56,489,746.25/9,077.92
  6. Step 6: Final answer
    x = 6,222.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.